Home / 147,026.60-220,539.90-76,927.40

Finding the Fourth Proportional to 147,026.60, 220,539.90 and 76,927.40

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Solution

The fourth proportional to 147,026.60, 220,539.90 and 76,927.40 is: 115,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,026.60 : 220,539.90 = 76,927.40 : x
  2. Step 2: Convert to fraction form
    147,026.60/220,539.90 = 76,927.40/x
  3. Step 3: Cross multiply
    147,026.60x = 220,539.90 × 76,927.40
  4. Step 4: Simplify right side
    147,026.60x = 16,965,561,103.26
  5. Step 5: Solve for x
    x = 16,965,561,103.26/147,026.60
  6. Step 6: Final answer
    x = 115,391.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.